gdb/testsuite/gdb.base/watchpoint-hw.exp

   1 # Copyright 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # Arch not supporting hw watchpoints does not imply no_hardware_watchpoints set.
  17 if {(![istarget "i?86-*-*"] && ![istarget "x86_64-*-*"]
  18      && ![istarget "ia64-*-*"] && ![istarget "s390*-*-*"])
  19     || [target_info exists gdb,no_hardware_watchpoints]} then {
  20     verbose "Skipping watchpoint-hw test."
  21     return
  22 }
  23
  24 set testfile watchpoint-hw
  25 set srcfile ${testfile}.c
  26 set binfile ${objdir}/${subdir}/${testfile}
  27 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  28     untested "Couldn't compile test program"
  29     return -1
  30 }
  31
  32 gdb_exit
  33 gdb_start
  34 gdb_reinitialize_dir $srcdir/$subdir
  35 gdb_load ${binfile}
  36
  37 # Create the watchpoint before the inferior gets started.  Now the native CPU
  38 # target is still not active and its `to_can_use_hw_breakpoint' is not
  39 # installed, therefore only a software watchpoint gets created.
  40
  41 gdb_test "watch watchee" "atchpoint 1: watchee"
  42
  43 # `runto_main' or `runto main' would delete the watchpoint created above.
  44
  45 if { [gdb_start_cmd] < 0 } {
  46     untested start
  47     return -1
  48 }
  49 gdb_test "" "main .* at .*" "start"
  50
  51 # Check it is really a `hw'-watchpoint.
  52 gdb_test "info watchpoints" "1 *hw watchpoint .* watchee"